CVE-2020-28070: SourceCodester Alumni Management System 1.0 is affected by SQL injection causing arbitrary remote code executi

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-28070 is a critical-severity flaw (CVSS 9.8) affecting alumni management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SourceCodester Alumni Management System 1.0 is affected by SQL injection causing arbitrary remote code execution from GET input in view_event.php via the 'id' parameter.

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	22.9% (top 2%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-12-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alumni management system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-12-23 18:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

alumni management system project alumni management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy alumni-management-system || rpm -q alumni-management-system || alumni-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison alumni-management-system sudo apt install alumni-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold alumni-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list alumni-management-system sudo dnf downgrade alumni-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add alumni-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · perl-Spreadsheet-XLSX · FIXED · 0.20-1.fc46 · FEDORA-2026-064736b436 · source

sudo dnf upgrade --advisory=FEDORA-2026-064736b436

Fedora ELN · bitcoin-core · FIXED · 32.1-2.eln159 · FEDORA-2026-41e13beebe · source

sudo dnf upgrade --advisory=FEDORA-2026-41e13beebe

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-28070?

alumni management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-28070 being exploited?

CVE-2020-28070 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-28070 affect?

CVE-2020-28070 affects alumni management system. Severity is critical (CVSS 9.8). SourceCodester Alumni Management System 1.0 is affected by SQL injection causing arbitrary remote code execution from GET input in view_event.php via the 'id' parameter.

How urgent is CVE-2020-28070?

Priority 69/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-13059 MEDIUM 6.3 DOWNGRADE A weakness has been identified in SourceCodester Alumni Management System 1.0
CVE-2025-13468 MEDIUM 5.4 DOWNGRADE A weakness has been identified in SourceCodester Alumni Management System 1.0
CVE-2021-25212 CRITICAL 9.8 DOWNGRADE SQL injection vulnerability in SourceCodester Alumni Management System v 1.0 allows remote attackers to execut
CVE-2021-25210 CRITICAL 9.8 DOWNGRADE Arbitrary file upload vulnerability in SourceCodester Alumni Management System v 1.0 allows attackers to execu
CVE-2020-29214 CRITICAL 9.8 DOWNGRADE SQL injection vulnerability in SourceCodester Alumni Management System 1.0 allows the user to inject SQL paylo

References

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